Home / 35,372.75-48,821.33-20,275.53

Finding the Fourth Proportional to 35,372.75, 48,821.33 and 20,275.53

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Solution

The fourth proportional to 35,372.75, 48,821.33 and 20,275.53 is: 27,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372.75 : 48,821.33 = 20,275.53 : x
  2. Step 2: Convert to fraction form
    35,372.75/48,821.33 = 20,275.53/x
  3. Step 3: Cross multiply
    35,372.75x = 48,821.33 × 20,275.53
  4. Step 4: Simplify right side
    35,372.75x = 989,878,341.05
  5. Step 5: Solve for x
    x = 989,878,341.05/35,372.75
  6. Step 6: Final answer
    x = 27,984.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.